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| Critical Stages |
| 18' -Action |
23' -Flood |
23' -Moderate Flood |
33' -Major Flood |
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| Forecast not available for this location. |
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| Observation history unavailable for thie location. |
| Flood Impacts |
| 29.0 | Route 123 is closed. Water overtops Illinois Midland railroad tracks at 4th Street and the water treatment plant is surrounded by water. |
| 25.0 | Some residences on the east side of Petersburg flood. |
| 23.0 | Extensive agricultural and lowland flooding occurs. |
| 21.0 | Park and recreational land near the river in Petersburg is flooded. |
| 15.0 | Water begins to flood agricultural areas and local parks near the river. |
| Historical Crests |
Low Water Records |
1) 33.90 ft on 05/20/1943
2) 30.75 ft on 05/14/2002
3) 29.84 ft on 04/14/1994
4) 27.45 ft on 05/11/1996
5) 26.50 ft on 01/25/1974
6) 26.30 ft on 01/17/2005
7) 26.10 ft on 05/03/1970
8) 26.08 ft on 01/18/2005
9) 24.20 ft on 04/21/1969
10) 23.62 ft on 01/10/2005
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1) 0.00 ft on 10/01/1990
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Data provided by NOAA Advanced Hydrologic Prediction Service
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